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郭斌 - Elastic 架构师
魏彬 - Elastic 认证工程师
Elastic Stack
最佳实践
2
Agenda
Elastic Stack 架构
Elasticsearch 最佳实践
如何升级
性能优化
问与答
1
2
3
4
5
3
老司机讲故事啦!
4
https://www.elastic.co/products/
5
Elastic Stack 一体化的完整数据处理堆栈,从数据摄入到分析展示、价值获取
Elastic Stack
数据存储、搜索及分析Elasticsearch
数据可视化 & 运维管理Kibana
数据摄入、数据转换Beats Logstash
解决方案
Metrics
Logging
APM
Site
Search
Application
Search
Business
Analytics
Enterprise
Search
Security
Analytics
Future
灵活的部署方式选择
SaaS
Elastic Cloud
Self Managed
Elastic Cloud
Enterprise
Standalone
6
PoC 架构:上马快
Beats
Log Files Metrics
Wire Data your(beat)
Datastore
Social
Web APIs
Sensors
Kafka
Redis
Messaging
Queue
Nodes (1)
Logstash
Elasticsearch
Kibana
X-packX-pack
Instances (1)
Node (1)
7
一周后
8
9
10
11
生产环境基本架构:扩展易
Beats
Log Files Metrics
Wire Data your(beat)
Datastore
Social
Web APIs
Sensors
Kafka
Redis
Messaging
Queue
Nodes (X)
Logstash
Elasticsearch
Kibana
X-packX-pack
Instances (X)Node (>=3)
12
一个月后
13
两个月后
14
热数据与冷数据
Hot Warm Cold
热数据
当日数据:有读有写
最近1日数据:频繁读取
温数据
2日~7日数据:偶尔读取
冷数据
8到30日的数据:极少读取
15
热节点与冷节点
Hot
node.attr.box_type:hot
Warm
node.attr.box_type:warm
Cold
node.attr.box_type:cold
热节点
高配,内存磁盘比高
8Core+/64GB/1TB SSD
温节点
中配,内存磁盘比适中
8Core+/64GB/2TB SAS
冷节点
低配,内存磁盘比低
8Core+/64GB/4TB SAS
index.routing.allocation.require.box_type:hot
16
生产环境高级架构:冷热架构
Beats
Log Files Metrics
Wire Data your(beat)
Datastore
Social
Web APIs
Sensors
Kafka
Redis
Messaging
Queue
Nodes (X)
Hadoop Ecosystem
Logstash
Elasticsearch
Kibana
X-pack
Custom UI
Authentication Notification
X-pack
ES-Hadoop
LDAP AD SSO
Instances (X)
Master Nodes (3)
Data Nodes- Hot (X)
Data Nodes - Warm(X)
Data Nodes - Cold (X)
17
Agenda
Use color to highlight
Elastic Stack 架构
Elasticsearch 最佳实践
如何升级
性能优化
问与答
1
3
4
5
2
18
三个月后
19
最佳实践
• 按时间建索引,每天自动删除过期的索引
• 使用 Index Template 模板,合理设计 Mapping
• 分片数不能过多也不能过少,分片大小控制在20GB 以内
• 使用别名
• 定期做 Force Merge
• 冷热数据分离,定时做迁移任务
• ......
20
知识点
Index Mapping
Shard Count Setting
Index Template
Curator
Delete Index
Rollover
Node Attributes
Shard Allocation
Force Merge
Shrink Index
Index Alias
Create Index
Index Read-Only
Replica Setting
21
ILM(Index Lifecycle Management) 最佳实践的集大成者
Hot Phase - Index to my-logs, Search on my-logs
索引生命周期管理 Index Lifecycle Management
Hot Nodes
1
2
3
Cold Nodes
Hot Phase - Index to my-logs, Search on my-logs
Warm Nodes
索引生命周期管理 Index Lifecycle Management
1
2
3
Hot Phase - Rollover
1
2
3
Hot Nodes Warm Nodes Cold Nodes
索引生命周期管理 Index Lifecycle Management
1
2
3
Warm Phase - Allocate
1 2 3
Hot Nodes Warm Nodes Cold Nodes
索引生命周期管理 Index Lifecycle Management
231
2
3
Warm Phase - Shrink
1
Hot Nodes Warm Nodes Cold Nodes
索引生命周期管理 Index Lifecycle Management
11
2
3
Warm Phase - Compress
Hot Nodes Warm Nodes Cold Nodes
索引生命周期管理 Index Lifecycle Management
1
1
2
3
Cold Phase - Allocate
Hot Nodes Warm Nodes Cold Nodes
索引生命周期管理 Index Lifecycle Management
1
2
3
Cold Phase - Freeze
Hot Nodes Warm Nodes Cold Nodes
1
索引生命周期管理 Index Lifecycle Management
1
2
3
Delete Phase
Hot Nodes Warm Nodes Cold Nodes
1
索引生命周期管理 Index Lifecycle Management
索引生命周期管理 Index Lifecycle Management
• 提升来自不同源头的数据关联度
• 复用分析的能力
• 复用内置可视化、仪表盘等分析能力
Elastic通用模式 Elastic Common Schema
好处
• 当前版本1.0.0: github.com/elastic/ecs
• 内部验证
• 欢迎社区的反馈
状态
33
Rally – Elastic官方出品的开源性能基准测试工具
https://github.com/elastic/rally
34
Rally提升性能基准测试水准
35
Agenda
Use color to highlight
Elastic Stack 架构
Elasticsearch 最佳实践
如何升级
性能优化
问与答
1
3
4
5
2
36
一会儿……
37
升级
• 滚动升级 Rolling Upgrade
• 停机升级 Full Restart Upgrade
38
Upgrade - 升级助手
https://www.elastic.co/products/upgrade_guide
39
https://www.elastic.co/products/upgrade_guide
40
https://www.elastic.co/products/upgrade_guide
41
Agenda
Use color to highlight
Elastic Stack 架构
Elasticsearch 最佳实践
如何升级
性能优化
问与答
1
3
4
5
2
42
性能优化-群集监控
Source: Gray Arial 10pt
43
性能优化-节点监控
44
性能优化-索引监控
45
性能优化-Kibana监控
46
性能优化-Logstash监控
47
写入优化:Tune for Index Speed
• 使用批量处理 Bulk Request
• index.refresh_interval 调大到 30s 或更大
• index.translog.durability:"async" index.translog.sync_interval: "10s"
• 使用自动生成的id
• 使用SSD
• 映射Mapping
• index: false
• norms: false
• index_options: freqs
• dynamic template - no default setting for string
• index.codec: best_compression
https://www.elastic.co/guide/en/elasticsearch/reference/6.6/tune-for-indexing-speed.html
https://www.elastic.co/guide/en/elasticsearch/reference/6.6/tune-for-indexing-speed.ht
ml
48
读取优化:Tune for Search Speed
• 数据模式设计- 避免join
• 搜索尽可能少的字段
• 避免使用脚本和预索引数据
• 对于一些枚举的数字,例如http状态代码,建议使用keyword数据类型
• 搜索 rounded dates
• 仅对只读索引进行合并索引
• 预热全局序global ordinals
• 索引排序
• 使用请求路由/优先
• 使用自适应副本选择
https://www.elastic.co/guide/en/elasticsearch/reference/6.6/tune-for-indexing-speed.html
https://www.elastic.co/guide/en/elasticsearch/reference/6.6/tune-for-search-speed.html
©2018 Elasticsearch, Inc., Confidential and Proprietary
Elastic 专业服务
私塾培训公开培训
目标20 - 25个人
通常由2+教师教学
全球培训课程:
purchases.elastic.co/
在客户场地教学
15人以上价格划算; 与公开培
训教学大纲一致
需求请发送至:
training@elastic.co
咨询服务
由Elastic的专家或者合作伙
伴给订阅客户提供
为架构设计、移植和整合提
供顾问服务
更多信息:
www.elastic.co/services
50
AMA & Thank You!

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